Cita APA (7th ed.)

Langacker, P. (2017). Can the laws of physics be unified? The MIT Press.

Cita Chicago (17th ed.)

Langacker, P. Can the Laws of Physics Be Unified? Cambridge, Massachusetts: The MIT Press, 2017.

Cita MLA (9th ed.)

Langacker, P. Can the Laws of Physics Be Unified? The MIT Press, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.